package com.klun.hdfs.hd.driver;

import com.klun.hdfs.Utils.PathGenerUtil;
import com.klun.hdfs.hd.mapper.OneIndexMapper;
import com.klun.hdfs.hd.reducer.OneIndexReducer;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

import java.io.IOException;

public class OneIndexDriver {

    public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {

        args = new String[] {"E:\\data\\input\\orderpd", PathGenerUtil.getOutputPath("DistributedCacheDriver")};

        Configuration configuration = new Configuration();
        Job job = Job.getInstance(configuration);

        job.setJarByClass(OneIndexDriver.class);

        job.setMapperClass(OneIndexMapper.class);
        job.setReducerClass(OneIndexReducer.class);

        job.setMapOutputKeyClass(Text.class);
        job.setMapOutputValueClass(IntWritable.class);

        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(IntWritable.class);

        FileInputFormat.setInputPaths(job,new Path(args[0]));
        FileOutputFormat.setOutputPath(job,new Path(args[1]));
        boolean b = job.waitForCompletion(true);
        System.exit(b?0:1);
    }

}
